The state appears on many travel hot lists for 2017, especially thanks to Georgia’s quirky, craggy coast that threads throughout a chain of barrier islands — the most idyllic of which may be at the private resort community of Sea Island, with its five-mile stretch of coastline. Historic Mediterranean-style hotel The Cloister recently added 63 rooms, making it the perfect home base for spa-going, golf and even seeing the sea turtles nest.

Hydra is great but it does take a bit of time and effort to get to from the Cyclades. You’ll need to ferry to Athens, then might have to overnight there, then ferry to Hydra. Whereas Naxos, Paros, Milos, Folegandros, etc. would all be one direct ferry from Santorini or Mykonos. If you do go to Hydra then Leto Hotel is a great choice close to the port and shops and restaurants.

Can you see all the major sights in Athens in one day? No. But you can see the Acropolis, Acropolis Museum, and the top historical sites of the Plaka in one day. If you had an extra half-day then visit the Archaeological Museum in Exarcheia. That still leaves many great sights but you will have seen all of the iconic Athens attractions. Adding Naxos is always a good idea. You might even enjoy it more than Mykonos (but no nightlife like Mykonos).
Question: Is it worth taking the evening ferry on the 4th Sep to Crete (Heraklion) from Santorini, then the bus onto Chania so that we can do the Samaria Gorge on the 5th? Spending the full day in Chania on the 6th and taking the last flight out of Chania that night back to Athens? (or do you think this is trying to squeeze in too much in too little time)?
The only ferry from Kusadasi to Greece goes to the Greek island of Samos. It’s a great island and certainly worth a few days. From Samos, there are usually direct ferries to Mykonos and Syros. These are very different islands that have a very different vibe – but both appealing in their own way. From Mykonos there will be direct flights to Western Europe (most likely Rome, Paris, Amsterdam, and London) though not every flight flies every day so requires some planning. Santorini would be another ferry ride from Mykonos. And Crete farther still. So you wouldn’t have time to get to either island.
Chania is a great choice. A wonderful charming town. Elounda is great for a quiet laid back stop, Agios Nikolaos has a more interesting vibe and is more of a real town. Also very charming. I prefer Ag Nik but Elounda has more luxurious hotels. (Crete hotels.) Naxos has lots to see in the interior so if you didn’t explore then certainly consider that. Folegandros and Milos are both incredible. Folegandros is more suited to walking and relaxing (and has some top notch restaurants and hotels). On Milos you need to do a tour and get out and actively explore to do it justice. Geologically Milos is stunning. A little like Santorini but with better beaches.
Between Nydri and the next main tourism centre is the little port and beach of Mikros Gialos (small bay) that is a great little base for individual travellers for a day or three. The port village of Vasiliki on the southern underbelly of Lefkada is a haven for windsurfers: see this page or this one for more information. The little village is very pretty and is a good base for general holiday-making (as are the two other places). From Vasiliki there is a regular local ferry that runs to Fiskardo on Kefallonia (via Ithaca/Ithaki).
Budgeting for Greece is always going to be subject to what your expectations and needs are. Assuming that you, like many travellers, like to eat a filling breakfast, savour maybe a light lunch and feast on a heavier dinner (or vice versa), enjoy a drink with your meals and are not totally vegetarian/vegan and prefer to sleep in comfort and cleanliness, then there is a set of figures that can be guesstimated.
We are wanting to hit 3 islands and have narrowed it down to Corfu, Crete, and Santorini. I was feeling pretty good about this but I haven’t seen a lot of hype for Corfu. I was thinking it would be more unique as compared to the other 2 with its proximity to Italy and Turkey and Albania. Am I missing something, do you have any insight you could provide, please?